diff options
author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2016-07-05 15:03:46 +1000 |
---|---|---|
committer | Michael Ellerman <mpe@ellerman.id.au> | 2016-07-11 20:09:40 +1000 |
commit | 63c254a501049f70c53aea602525c6912362079e (patch) | |
tree | 4c1773a7a48250f8b2de88eb01f1abc42a3636e6 /arch | |
parent | bd7c93cca36911baf2eb2bc386956612af3b842d (diff) |
powerpc: Add comment explaining the purpose of setup_kdump_trampoline()
Anything in early_setup() needs to be justified to be there, in
this case, we need the trampolines before we can take exceptions
and thus before we turn on the MMU.
Also remove a pretty meaningless and misplaced debug message
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
[mpe: Fix comment formatting]
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Diffstat (limited to 'arch')
-rw-r--r-- | arch/powerpc/kernel/setup_64.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/arch/powerpc/kernel/setup_64.c b/arch/powerpc/kernel/setup_64.c index 5530bb55a78b..98f72c6d0ebc 100644 --- a/arch/powerpc/kernel/setup_64.c +++ b/arch/powerpc/kernel/setup_64.c @@ -279,10 +279,12 @@ void __init early_setup(unsigned long dt_ptr) /* Probe the machine type */ probe_machine(); + /* + * Setup the trampolines from the lowmem exception vectors + * to the kdump kernel when not using a relocatable kernel. + */ setup_kdump_trampoline(); - DBG("Found, Initializing memory management...\n"); - /* Initialize the hash table or TLB handling */ early_init_mmu(); |